]> git.mxchange.org Git - friendica.git/blobdiff - src/Database/Database.php
Merge pull request #8804 from MrPetovan/bug/warnings
[friendica.git] / src / Database / Database.php
index ff25e8b199d76cc9acb03abb0f2f15442d23e6ec..897845ce0c8d6ba700c1a794d4149c99f0e1263c 100644 (file)
 
 namespace Friendica\Database;
 
+use Exception;
 use Friendica\Core\Config\Cache;
 use Friendica\Core\System;
+use Friendica\DI;
 use Friendica\Network\HTTPException\InternalServerErrorException;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Profiler;
@@ -57,11 +59,13 @@ class Database
        /** @var PDO|mysqli */
        protected $connection;
        protected $driver;
+       private $emulate_prepares = false;
        private $error          = false;
        private $errorno        = 0;
        private $affected_rows  = 0;
        protected $in_transaction = false;
        protected $in_retrial     = false;
+       protected $testmode       = false;
        private $relation       = [];
 
        public function __construct(Cache $configCache, Profiler $profiler, LoggerInterface $logger, array $server = [])
@@ -130,7 +134,10 @@ class Database
                        return false;
                }
 
-               if (class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
+               $this->emulate_prepares = (bool)$this->configCache->get('database', 'emulate_prepares');
+               $this->pdo_emulate_prepares = (bool)$this->configCache->get('database', 'pdo_emulate_prepares');
+
+               if (!$this->configCache->get('database', 'disable_pdo') && class_exists('\PDO') && in_array('mysql', PDO::getAvailableDrivers())) {
                        $this->driver = 'pdo';
                        $connect      = "mysql:host=" . $server . ";dbname=" . $db;
 
@@ -144,7 +151,7 @@ class Database
 
                        try {
                                $this->connection = @new PDO($connect, $user, $pass);
-                               $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
+                               $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->pdo_emulate_prepares);
                                $this->connected = true;
                        } catch (PDOException $e) {
                                $this->connected = false;
@@ -178,6 +185,10 @@ class Database
                return $this->connected;
        }
 
+       public function setTestmode(bool $test)
+       {
+               $this->testmode = $test;
+       }
        /**
         * Sets the logger for DBA
         *
@@ -308,7 +319,7 @@ class Database
                }
 
                $watchlist = explode(',', $this->configCache->get('system', 'db_log_index_watch'));
-               $blacklist = explode(',', $this->configCache->get('system', 'db_log_index_blacklist'));
+               $denylist = explode(',', $this->configCache->get('system', 'db_log_index_denylist'));
 
                while ($row = $this->fetch($r)) {
                        if ((intval($this->configCache->get('system', 'db_loglimit_index')) > 0)) {
@@ -322,7 +333,7 @@ class Database
                                $log = true;
                        }
 
-                       if (in_array($row['key'], $blacklist) || ($row['key'] == "")) {
+                       if (in_array($row['key'], $denylist) || ($row['key'] == "")) {
                                $log = false;
                        }
 
@@ -338,7 +349,7 @@ class Database
        }
 
        /**
-        * Removes every not whitelisted character from the identifier string
+        * Removes every not allowlisted character from the identifier string
         *
         * @param string $identifier
         *
@@ -428,8 +439,10 @@ class Database
        {
                $offset = 0;
                foreach ($args AS $param => $value) {
-                       if (is_int($args[$param]) || is_float($args[$param])) {
+                       if (is_int($args[$param]) || is_float($args[$param]) || is_bool($args[$param])) {
                                $replace = intval($args[$param]);
+                       } elseif (is_null($args[$param])) {
+                               $replace = 'NULL';
                        } else {
                                $replace = "'" . $this->escape($args[$param]) . "'";
                        }
@@ -492,6 +505,7 @@ class Database
                        $sql = "/*" . System::callstack() . " */ " . $sql;
                }
 
+               $is_error            = false;
                $this->error         = '';
                $this->errorno       = 0;
                $this->affected_rows = 0;
@@ -515,12 +529,13 @@ class Database
                switch ($this->driver) {
                        case 'pdo':
                                // If there are no arguments we use "query"
-                               if (count($args) == 0) {
-                                       if (!$retval = $this->connection->query($sql)) {
+                               if ($this->emulate_prepares || count($args) == 0) {
+                                       if (!$retval = $this->connection->query($this->replaceParameters($sql, $args))) {
                                                $errorInfo     = $this->connection->errorInfo();
                                                $this->error   = $errorInfo[2];
                                                $this->errorno = $errorInfo[1];
                                                $retval        = false;
+                                               $is_error      = true;
                                                break;
                                        }
                                        $this->affected_rows = $retval->rowCount();
@@ -533,6 +548,7 @@ class Database
                                        $this->error   = $errorInfo[2];
                                        $this->errorno = $errorInfo[1];
                                        $retval        = false;
+                                       $is_error      = true;
                                        break;
                                }
 
@@ -550,6 +566,7 @@ class Database
                                        $this->error   = $errorInfo[2];
                                        $this->errorno = $errorInfo[1];
                                        $retval        = false;
+                                       $is_error      = true;
                                } else {
                                        $retval              = $stmt;
                                        $this->affected_rows = $retval->rowCount();
@@ -562,12 +579,13 @@ class Database
                                $can_be_prepared = in_array($command, ['select', 'update', 'insert', 'delete']);
 
                                // The fallback routine is called as well when there are no arguments
-                               if (!$can_be_prepared || (count($args) == 0)) {
+                               if ($this->emulate_prepares || !$can_be_prepared || (count($args) == 0)) {
                                        $retval = $this->connection->query($this->replaceParameters($sql, $args));
                                        if ($this->connection->errno) {
                                                $this->error   = $this->connection->error;
                                                $this->errorno = $this->connection->errno;
                                                $retval        = false;
+                                               $is_error      = true;
                                        } else {
                                                if (isset($retval->num_rows)) {
                                                        $this->affected_rows = $retval->num_rows;
@@ -584,6 +602,7 @@ class Database
                                        $this->error   = $stmt->error;
                                        $this->errorno = $stmt->errno;
                                        $retval        = false;
+                                       $is_error      = true;
                                        break;
                                }
 
@@ -611,6 +630,7 @@ class Database
                                        $this->error   = $this->connection->error;
                                        $this->errorno = $this->connection->errno;
                                        $retval        = false;
+                                       $is_error      = true;
                                } else {
                                        $stmt->store_result();
                                        $retval              = $stmt;
@@ -619,15 +639,29 @@ class Database
                                break;
                }
 
+               // See issue https://github.com/friendica/friendica/issues/8572
+               // Ensure that we always get an error message on an error.
+               if ($is_error && empty($this->errorno)) {
+                       $this->errorno = -1;
+               }
+
+               if ($is_error && empty($this->error)) {
+                       $this->error = 'Unknown database error';
+               }
+
                // We are having an own error logging in the function "e"
                if (($this->errorno != 0) && !$called_from_e) {
                        // We have to preserve the error code, somewhere in the logging it get lost
                        $error   = $this->error;
                        $errorno = $this->errorno;
 
+                       if ($this->testmode) {
+                               throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $args)));
+                       }
+
                        $this->logger->error('DB Error', [
-                               'code'      => $this->errorno,
-                               'error'     => $this->error,
+                               'code'      => $errorno,
+                               'error'     => $error,
                                'callstack' => System::callstack(8),
                                'params'    => $this->replaceParameters($sql, $args),
                        ]);
@@ -638,21 +672,21 @@ class Database
                                        // It doesn't make sense to continue when the database connection was lost
                                        if ($this->in_retrial) {
                                                $this->logger->notice('Giving up retrial because of database error', [
-                                                       'code'  => $this->errorno,
-                                                       'error' => $this->error,
+                                                       'code'  => $errorno,
+                                                       'error' => $error,
                                                ]);
                                        } else {
                                                $this->logger->notice('Couldn\'t reconnect after database error', [
-                                                       'code'  => $this->errorno,
-                                                       'error' => $this->error,
+                                                       'code'  => $errorno,
+                                                       'error' => $error,
                                                ]);
                                        }
                                        exit(1);
                                } else {
                                        // We try it again
                                        $this->logger->notice('Reconnected after database error', [
-                                               'code'  => $this->errorno,
-                                               'error' => $this->error,
+                                               'code'  => $errorno,
+                                               'error' => $error,
                                        ]);
                                        $this->in_retrial = true;
                                        $ret              = $this->p($sql, $args);
@@ -724,9 +758,13 @@ class Database
                        $error   = $this->error;
                        $errorno = $this->errorno;
 
+                       if ($this->testmode) {
+                               throw new Exception(DI::l10n()->t('Database error %d "%s" at "%s"', $errorno, $error, $this->replaceParameters($sql, $params)));
+                       }
+
                        $this->logger->error('DB Error', [
-                               'code'      => $this->errorno,
-                               'error'     => $this->error,
+                               'code'      => $errorno,
+                               'error'     => $error,
                                'callstack' => System::callstack(8),
                                'params'    => $this->replaceParameters($sql, $params),
                        ]);
@@ -735,8 +773,8 @@ class Database
                        // A reconnect like in $this->p could be dangerous with modifications
                        if ($errorno == 2006) {
                                $this->logger->notice('Giving up because of database error', [
-                                       'code'  => $this->errorno,
-                                       'error' => $this->error,
+                                       'code'  => $errorno,
+                                       'error' => $error,
                                ]);
                                exit(1);
                        }
@@ -941,7 +979,7 @@ class Database
         * @return boolean was the insert successful?
         * @throws \Exception
         */
-       public function insert($table, $param, $on_duplicate_update = false)
+       public function insert($table, array $param, bool $on_duplicate_update = false)
        {
                if (empty($table) || empty($param)) {
                        $this->logger->info('Table and fields have to be set');
@@ -1009,7 +1047,7 @@ class Database
                $success = $this->e("LOCK TABLES " . DBA::buildTableString($table) . " WRITE");
 
                if ($this->driver == 'pdo') {
-                       $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
+                       $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->pdo_emulate_prepares);
                }
 
                if (!$success) {
@@ -1042,7 +1080,7 @@ class Database
                $success = $this->e("UNLOCK TABLES");
 
                if ($this->driver == 'pdo') {
-                       $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
+                       $this->connection->setAttribute(PDO::ATTR_EMULATE_PREPARES, $this->pdo_emulate_prepares);
                        $this->e("SET autocommit=1");
                } else {
                        $this->connection->autocommit(true);
@@ -1262,7 +1300,7 @@ class Database
 
                        if ((count($command['conditions']) > 1) || is_int($first_key)) {
                                $sql = "DELETE FROM " . DBA::quoteIdentifier($command['table']) . " " . $condition_string;
-                               $this->logger->debug($this->replaceParameters($sql, $conditions));
+                               $this->logger->info($this->replaceParameters($sql, $conditions), ['callstack' => System::callstack(6), 'internal_callstack' => $callstack]);
 
                                if (!$this->e($sql, $conditions)) {
                                        if ($do_transaction) {
@@ -1292,7 +1330,7 @@ class Database
                                        $sql = "DELETE FROM " . DBA::quoteIdentifier($table) . " WHERE " . DBA::quoteIdentifier($field) . " IN (" .
                                               substr(str_repeat("?, ", count($field_values)), 0, -2) . ");";
 
-                                       $this->logger->debug($this->replaceParameters($sql, $field_values));
+                                       $this->logger->info($this->replaceParameters($sql, $field_values), ['callstack' => System::callstack(6), 'internal_callstack' => $callstack]);
 
                                        if (!$this->e($sql, $field_values)) {
                                                if ($do_transaction) {
@@ -1640,6 +1678,18 @@ class Database
                return (["list" => $statelist, "amount" => $processes]);
        }
 
+       /**
+        * Fetch a database variable
+        *
+        * @param string $name
+        * @return string content
+        */
+       public function getVariable(string $name)
+       {
+               $result = $this->fetchFirst("SHOW GLOBAL VARIABLES WHERE `Variable_name` = ?", $name);
+               return $result['Value'] ?? null;
+       }
+
        /**
         * Checks if $array is a filled array with at least one entry.
         *